Illumination control device

Abstract

An illumination control device includes a control portion which controls light emission states of luminous bodies and having different light emission colors from one another, so that a cabin is illuminated by emitted light emitted from a light source and having predetermined chromaticity. The light source has the luminous bodies. The control portion controls the light emission states of the luminous bodies in accordance with a correction coefficient inputted from outside to adjust the chromaticity of the emitted light.

What is claimed is: 
     
       1. An illumination control device comprising:
 a control portion that controls light emission states of luminous bodies having different light emission colors from one another, so that a cabin is illuminated by emitted light emitted from a light source and having predetermined chromaticity, the light source having the luminous bodies; and 
 an upstream side control portion that receives a signal expressing chromaticity measured by a chromaticity measuring instrument measuring the chromaticity of the emitted light, calculates the correction coefficient in accordance with a difference between the predetermined chromaticity and the measured chromaticity, and transmits the calculated correction coefficient to the control portion, 
 wherein the control portion controls the light emission states of the luminous bodies in accordance with a correction coefficient inputted from outside to adjust the chromaticity of the emitted light; 
 wherein the control portion has a calibration mode to be executed when the chromaticity measuring instrument measures the chromaticity; 
 wherein the control portion controls the light source to a predetermined reference light emission state in the calibration mode; 
 wherein when there are a plurality of the light sources as targets to be controlled, the control portion controls the plurality of light sources in accordance with a plurality of light emission patterns different from one another in the calibration mode; 
 wherein each of plurality of light emission patterns is constituted by a combination of red color light emission, green color light emission, blue color light emission and white color light emission; and 
 wherein a length of a delay time between an emission of the white color light and an emission of any one of the blue color light, the red color light and the green color light differs from one light emission pattern to another.